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Tuesday, June 5, 2018
Question:
Is it permitted to run Ethernet (100BT) and twisted pair telephone signal in an eight wire Ethernet cable?
Mike Clott
A
Answer:
Hey Mike thanks for your question. Yes. For some limited energy systems, the type of circuit is determined by the power supply as stated in 725.121(A). Class 2 and Class 3 circuits can be in the same cable with communication circuits as stated in 725.139(D)(1). The cable needs to be a listed communications cable and installed using Article 800. Alternatively, composite cables can be used as stated in 725.139(D)(2).